Case Converter

About Case Converter

This free online case converter tool allows you to transform text between 11 different case formats instantly. Whether you're a developer working with code, a writer formatting content, or anyone needing to change text case, our converter handles the transformation seamlessly in your browser.

Why Convert Text Case?

Different contexts require different case styles: variables in code use camelCase or snake_case, constants are written in CONSTANT_CASE, class names use PascalCase, and URLs use kebab-case. Writers need Title Case for headings and Sentence case for proper grammar. Manually converting large amounts of text is time-consuming and error-prone, so automating this process saves time and ensures consistency.

How to Use This Converter

Converting text case is simple: paste or type your text into the input field, select your desired case format from the available options (Basic, Code, or Fun categories), configure options like preserving newlines or trimming whitespace if needed, then click Convert Case. Your transformed text appears instantly with options to copy, download, or swap for further editing.

Key Benefits

• No installation required: Works directly in your browser without any software downloads
• Completely free: No registration, credit card, or hidden fees
• Secure and private: All conversion happens locally - your data never reaches our servers
• Fast processing: Instant conversion with no waiting time
• 11 formats: Support for all popular case styles for code and text
• Flexible options: Preserve newlines and trim whitespace as needed

Common Use Cases

Developers use case converters for renaming variables, formatting class and function names, converting between different naming conventions (camelCase for JavaScript, snake_case for Python, kebab-case for CSS). Content editors format article titles, fix ALL CAPS TEXT, prepare content for publication. Writers and students correct case in citations, format bibliographies, and transform copied text into the proper format. Database administrators convert column names, API developers format endpoint URLs, and designers prepare text for mockups.

Technical Features

Our converter preserves multi-line text structure, supports preserving or removing newlines, trims excess whitespace at the beginning and end of each line, handles special characters and Unicode correctly, displays statistics (character count, word count, line count), and provides detailed error messages for invalid input. The tool also includes sample examples for quick testing and a swap function to use output as new input.

Privacy and Security

Unlike online converters that send your data to remote servers, this tool processes everything locally in your browser using JavaScript. Your confidential code, passwords, configuration files, or proprietary data never leave your computer, making it safe for converting sensitive information. No cookies, tracking, or data storage.